1048780 has 24 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 408960.

The previous prime is 1048759. The next prime is 1048783. The reversal of 1048780 is 878401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2^1048780 is an apocalyptic number.

1048780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128960).

1048780 is an abundant number, since it is smaller than the sum of its proper divisors (1209140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1048780 is a wasteful number, since it uses less digits than its factorization.

1048780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1048780 is about 1024.0996045307. The cubic root of 1048780 is about 101.6002552332.

The spelling of 1048780 in words is "one million, forty-eight thousand, seven hundred eighty".